Answer :
There are of course several things in an ecosystem that can provide food, shelter, and prevent erosion, but the best option from the list would be "decomposers".
Answer:
The correct answer is option A, Plant
Explanation:
The plant have chlorophyll which is capable of entrapping solar energy and thus produce food for all living beings and is the starting point of all the food chains in the ecosystem. The plants and trees also provide shelter to various birds , rodents, insects etc, on it leaves, bark and roots. Also the roots of the plant/trees hold the soil firmly thereby saving it from being eroded.
